What’s that in the river? ___________________.
A. That’s a duck.
B．There’s a duck.
C．It’s a duck.
It’s the key _____the door.
A. of
B．on
C．to
The two brothers are _____ blind. They can’t see anything.
A. all
B. both
C. not
How does the key feel? It’s _____.
A. hard
B. soft
C. rough
Do you like grapes or cherries? _____.
A. Yes, I like cherries.
B. No, I like grapes.
C. I like grapes.